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When this transistor is bc557 datasheet biased then it can allow a maximum of mA to flow across the collector and emitter. The value of this resistor R B can be calculated using below formulae.

It can amplify power, voltage and current at bc557 datasheet configurations. As discussed a transistor will act as an Open switch dtaasheet Forward Bias and as a Bc557 datasheet switch during Reverse Bias, this biasing can be achieved by supplying the required amount of current to the base pin.

Next Article BC Transistor. Skip to main content. When base current is removed the transistor becomes fully off, this stage is called as bc557 datasheet Cut-off Region and the Base Emitter voltage could be around mV. nc557

Anything more than 5mA bc557 datasheet kill the Bc557 datasheet hence datssheet resistor is always added in series with base pin. BC is a PNP transistor hence the collector and emitter will be closed Forward biased when the base pin is held at ground and will be opened Reverse biased when a signal is provided to base pin.

If you are designing a PCD or Perf board with this component then the following picture from bc557 datasheet BC Datasheet will be useful to know its package type and dimensions. Top bc557 datasheet About Us Advertise. Current flows in through collector.

Controls the bc557 datasheet of transistor. As mentioned bc557 datasheet biasing current should maximum of 5mA. When a transistor is used as a switch it is operated in the Saturation and Cut-Off Region as explained above. Top menu About Us Contact. To bias a transistor we have to supply current to base pin, this current I B should be limited to 5mA.

BC557 Datasheet, Equivalent, Cross Reference Search

The value of I B should not exceed mA. When uses as an Amplifier the DC current gain of the Transistor can be calculated by using the below formulae. bc557 datasheet

Complete Technical Details can be found at the BC datasheet given bc557 datasheet the end of bc557 datasheet page. The maximum amount of current that could flow through the Collector pin is mA, hence we cannot connect loads that consume more than mA using this transistor.